UPVC (unplasticized polyvinyl chloride) drainage pipe extrusion die

Abstract

The utility model belongs to the technical field of extrusion dies, and particularly relates to a UPVC (Unplasticized Polyvinyl Chloride) drainage pipe extrusion die. A positioning ring block is arranged above the inlet seat, a positioning conical head is arranged in the inlet seat and the positioning ring block, a connecting seat is arranged above the positioning ring block, a connecting flange is arranged above the connecting seat, the connecting flange is sleeved outside an outlet seat, and a top and an inner cavity are respectively arranged in the outlet seat and the connecting seat. According to the utility model, the upper part and the lower part of the positioning ring block are respectively connected with the inner cavity and the positioning conical head to form a whole body, so that the positioning conical head can accurately find an eccentric position, the assistance of an external object during the installation is avoided, and the installation accuracy is improved. Working procedures and workload are reduced, and working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of extrusion dies and relates to an extrusion die for UPVC drainage pipes. Background Art

[0002] The extrusion die is a type of molding die, but its discharge method is achieved through extrusion. It is widely used in aluminum special-shaped structures and also used in plastic parts. At the front end of the extruder, it is used to make pipes or special-shaped materials. In short, the mold is a tool used to shape objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the molded material. When the existing extrusion die is used to produce UPVC drainage pipes, it is difficult to adjust the eccentricity during installation because the internal extrusion head is conical. External auxiliary measuring instruments are required, which increases the complexity and workload of installation and reduces work efficiency. Therefore, in view of the above problems, a UPVC drainage pipe extrusion die is proposed. Utility Model Content

[0003] The utility model aims to provide a UPVC drainage pipe extrusion die in view of the above problems.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A UPVC drainage pipe extrusion die comprises an inlet seat, a positioning ring block is provided above the inlet seat, and a positioning cone head is provided in the inlet seat and the positioning ring block, a connecting seat is provided above the positioning ring block, a connecting flange is provided above the connecting seat, and the connecting flange is sleeved outside the outlet seat, a top and an inner cavity are respectively provided in the outlet seat and the connecting seat, and a middle cone is provided between the inner cavity and the top, a circular block, a positioning column and a limiting ring block are installed in the top and the inner cavity, and a guide rod is inserted in the positioning column, the limiting ring block and the circular block, one end of the guide rod passes through the top and the outlet seat, the positioning column is placed inside the middle cone, the circular block is placed above the inner cavity, and the bottom of the inner cavity is clamped in the middle above the positioning ring block.

[0006] In the above-mentioned UPVC drainage pipe extrusion die, a positioning ring block is fixedly connected above the inlet seat, and the positioning ring block has the same diameter as the outer ring above the inlet seat, a feed cavity is provided in both the inlet seat and the positioning ring block, a first clamping part is provided at the bottom of the positioning ring block, and the first clamping part is placed in the feed cavity, and a material channel is provided around the first clamping part.

[0007] In the above-mentioned UPVC drainage pipe extrusion die, a second clamping portion is provided above the positioning cone head, the second clamping portion is clamped and fixedly connected in the first clamping portion, and the top of the positioning cone head is tightly fitted with the bottom of the positioning ring block, the bottom of the positioning cone head is placed in the middle of the inlet seat, and the bottom of the tip of the positioning cone head is flush with the bottom of the feed cavity.

[0008] In the above-mentioned UPVC drainage pipe extrusion die, the top of the positioning ring block is fixedly connected to the bottom of the connecting seat, and the outer ring at the bottom of the connecting seat has the same diameter as the outer ring of the positioning ring block. A second through hole is provided in the connecting seat, and a step portion is provided at the bottom of the outlet seat, and the step portion is clamped on the top of the second through hole, and the upper plane of the step portion is flush with the upper plane of the connecting seat.

[0009] In the above-mentioned UPVC drainage pipe extrusion die, the upper plane of the step portion is tightly fitted with the inner circle of the bottom of the connecting flange, the outer circle of the bottom of the connecting flange is fixedly connected to the upper plane of the connecting seat, a first through hole is opened in the outlet seat, and the first through hole is connected to the second through hole.

[0010] In the above-mentioned UPVC drainage pipe extrusion die, the inner cavity is inserted into the second through hole, and the middle cone is fixedly connected to the top of the inner cavity, the top and bottom are fixedly connected to the top of the middle cone, and a discharge cavity is formed between the outer ring wall of the top and the inner wall of the first through hole, and the upper plane of the top is flush with the upper plane of the outlet seat.

[0011] In the above-mentioned UPVC drainage pipe extrusion die, the bottom of the inner cavity is stuck in the middle of the upper part of the fixed connection positioning ring block, the inner cavity and the middle cone are respectively provided with a second hollow and a middle cavity, and the top is provided with a built-in hole, which is connected with the second hollow and the middle cavity.

[0012] In the above-mentioned UPVC drainage pipe extrusion die, a fixedly connected circular block is inserted into the upper part of the second hollow, the center of the circular block is inserted under the fixedly connected guide rod, and the bottom end of the guide rod passes through the circular block, and a first hollow is opened in the positioning cone head, and the bottom end of the guide rod is inserted into the upper part of the first hollow.

[0013] In the above-mentioned UPVC drainage pipe extrusion die, a fixedly connected positioning column is disposed on the outer middle portion of the guide rod, and the positioning column is inserted into the middle cavity.

[0014] In the above-mentioned UPVC drainage pipe extrusion die, a fixedly connected limiting ring block is disposed on the outer sleeve above the guide rod, and the limiting ring block is inserted into the built-in hole.

[0015] Compared with the existing technology, the advantages of the utility model are:

[0016] The utility model has a positioning ring block above the inlet seat, and a positioning cone head is provided in the inlet seat and the positioning ring block, a connecting seat is provided above the positioning ring block, and a connecting flange is provided above the connecting seat, and the connecting flange is sleeved outside the outlet seat, and a top and an inner cavity are respectively provided in the outlet seat and the connecting seat, a circular block, a positioning column and a limiting ring block are installed on the top and the inner cavity, and a guide rod is inserted in the positioning column limiting ring block and the circular block, and the inner cavity and the positioning cone head are connected to form a whole by using the upper and lower parts of the positioning ring block, so that the positioning cone head can accurately find the eccentric position, avoid the use of external objects for assistance during installation, reduce the work procedures and workload, and increase work efficiency.

[0017] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 It is an overall exploded schematic diagram of the utility model;

[0020] Figure 3 It is the overall internal schematic diagram of the utility model;

[0021] Figure 4 It is a schematic diagram of the internal matching part of the inner cavity of the utility model;

[0022] Figure 5 It is a schematic diagram of the internal coordination of the middle cone portion of the utility model;

[0023] Figure 6 It is a schematic diagram of the bottom of the positioning ring block of the utility model.

[0024] In the figure: 1. inlet seat; 2. positioning cone head; 21. first hollow; 22. second clamping part; 3. positioning ring block; 31. first clamping part; 4. round block; 5. positioning column; 6. limiting ring block; 7. inner cavity; 71. second hollow; 8. top; 81. built-in hole; 9. connecting seat; 91. second through hole; 10. connecting flange; 11. outlet seat; 12. feed cavity; 13. first through hole; 14. step part; 15. middle cone part; 16. middle cavity part; 17. guide rod; 18. discharge cavity. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings.

[0026] like Figure 1-6As shown, a UPVC drainage pipe extrusion die comprises an inlet seat 1, a positioning ring block 3 is provided above the inlet seat 1, and a positioning cone head 2 is provided in the inlet seat 1 and the positioning ring block 3, a connecting seat 9 is provided above the positioning ring block 3, a connecting flange 10 is provided above the connecting seat 9, and the connecting flange 10 is sleeved outside the outlet seat 11, a top 8 and an inner cavity 7 are respectively provided in the outlet seat 11 and the connecting seat 9, and a middle cone 15 is provided between the inner cavity 7 and the top 8, a circular block 4, a positioning column 5 and a limiting ring block 6 are installed in the top 8 and the inner cavity 7, and a guide rod 17 is inserted in the positioning column 5, the limiting ring block 6 and the circular block 4, and one end of the guide rod 17 passes through the top 8 and the outlet seat 11, the positioning column 5 is placed inside the middle cone 15, the circular block 4 is placed above the inner cavity 7, and the bottom of the inner cavity 7 is clamped in the middle of the upper part of the positioning ring block 3.

[0027] A positioning ring block 3 is fixedly connected above the inlet seat 1, and the positioning ring block 3 has the same diameter as the outer ring above the inlet seat 1. A feed cavity 12 is provided in both the inlet seat 1 and the positioning ring block 3. A first clamping portion 31 is provided at the bottom of the positioning ring block 3, and the first clamping portion 31 is placed in the feed cavity 12. At the same time, a material channel is provided around the first clamping portion 31.

[0028] Furthermore, a second clamping portion 22 is opened above the positioning cone head 2, and the second clamping portion 22 is clamped and fixedly connected in the first clamping portion 31, and the top of the positioning cone head 2 is tightly fitted with the bottom of the positioning ring block 3, and the bottom of the positioning cone head 2 is placed in the middle of the inlet seat 1, and the bottom of the tip of the positioning cone head 2 is flush with the bottom of the feed chamber 12.

[0029] A positioning ring block 3 is provided above the inlet seat 1 for connecting the upper components, and a feed cavity 12 is provided inside the inlet seat 1 and the positioning ring block 3. The top of the positioning cone head 2 is clamped in the positioning ring block 3 so that the tip of the positioning cone head 2 is placed at the inlet of the inlet seat 1 to ensure the centering of the positioning cone head 2.

[0030] The bottom of the connecting seat 9 is fixedly connected through the top of the positioning ring block 3, and the outer ring at the bottom of the connecting seat 9 has the same diameter as the outer ring of the positioning ring block 3. A second through hole 91 is provided in the connecting seat 9, and a step portion 14 is provided at the bottom of the outlet seat 11, and the step portion 14 is clamped in the upper part of the second through hole 91, and the upper plane of the step portion 14 is flush with the upper plane of the connecting seat 9.

[0031] Furthermore, the upper plane of the step portion 14 is tightly fitted with the inner circle of the bottom of the connecting flange 10 , the outer circle of the bottom of the connecting flange 10 is fixedly connected to the upper plane of the connecting seat 9 , a first through hole 13 is opened in the outlet seat 11 , and the first through hole 13 is connected to the second through hole 91 .

[0032] A connecting seat 9 is connected above the positioning ring block 3 , and the connecting seat 9 is connected to the connecting flange 10 . A second through hole 91 is provided in the connecting seat 9 . When the material enters from the inlet seat 1 , it passes through the positioning ring block 3 and then enters into the second through hole 91 .

[0033] Furthermore, the inner cavity 7 is inserted into the second through hole 91, and the middle cone 15 is fixedly connected to the top of the inner cavity 7, and the bottom of the top 8 is fixedly connected to the top of the middle cone 15, and a discharge cavity 18 is formed between the outer ring wall of the top 8 and the inner wall of the first through hole 13, and the upper plane of the top 8 is flush with the upper plane of the outlet seat 11.

[0034] Furthermore, the bottom of the inner cavity 7 is inserted into the middle part of the upper part of the fixed connection positioning ring block 3, and the second hollow 71 and the middle cavity 16 are respectively opened in the inner cavity 7 and the middle cone 15, and the top 8 is opened with a built-in hole 81, and the built-in hole 81 is connected with the second hollow 71 and the middle cavity 16.

[0035] An outlet seat 11 is provided above the connecting seat 9 to be connected as a whole, and a first through hole 13 is provided in the outlet seat 11, so that the material finally goes out from the outlet of the first through hole 13. A top 8 and an inner cavity 7 are provided in the outlet seat 11 and the connecting seat 9 to ensure the final molding of the discharged material.

[0036] Furthermore, a fixedly connected circular block 4 is inserted into the top of the second hollow 71, the center of the circular block 4 is inserted into the bottom of the fixedly connected guide rod 17, and the bottom end of the guide rod 17 passes through the circular block 4, and a first hollow 21 is opened in the positioning cone head 2, and the bottom end of the guide rod 17 is inserted into the top of the first hollow 21.

[0037] Furthermore, a fixedly connected positioning column 5 is disposed on the outer middle portion of the guide rod 17 , and the positioning column 5 is inserted into the middle cavity 16 .

[0038] Furthermore, a fixedly connected limiting ring block 6 is disposed on the outer surface of the guide rod 17 , and the limiting ring block 6 is inserted into the built-in hole 81 .

[0039] A circular block 4, a positioning column 5 and a guide rod 17 are provided at the top 8 and the inner cavity 7, so that the internal structure is integrated, and the bottom of the inner cavity 7 is connected with the positioning ring block 3, so that the overall components in the upper inner cavity 7 are integrated with the positioning ring block 3 and the positioning cone head 2.

[0040] Working principle:

[0041] A positioning ring block 3 is provided above the inlet seat 1, and the positioning ring block 3 is used to connect the upper parts, and a feed cavity 12 is provided in the inlet seat 1 and the positioning ring block 3. At the same time, the lower part of the positioning ring block 3 is connected to the upper part of the positioning cone head 2, so that the positioning cone head 2 is placed in the feed cavity 12, and the tip of the positioning cone head 2 is placed at the inlet of the feed cavity 12. Due to the fixed connection between the positioning cone head 2 and the positioning ring block 3, the positioning cone head 2 ensures that it is aligned with the inlet. A connecting seat 9, a connecting flange 10 and an outlet seat 11 are provided in sequence above the positioning ring block 3, and the connecting seat 9, the connecting flange 10 and the outlet seat 11 are integrated therein. The top 8 and the inner cavity 7 are provided, and the circular block 4, the positioning column 5 and the guide rod 17 are provided in the top 8 and the inner cavity 7. The circular block 4 is clamped in the inner cavity 7, and the bottom of the inner cavity 7 is fixedly connected with the middle part above the positioning ring block 3, so that the interior is fixed as a whole, and a material cavity layer is formed between the internal top 8, the inner cavity 7 and the positioning ring block 3, the connecting seat 9, and the outlet seat 11, and a circle of outlets is formed at the inner wall above the top 8 and the outlet seat 11. When the material enters from the feed cavity 12, it passes through the internal space and is extruded from the discharge cavity 18.

[0042] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the spirit of the present invention.

[0043] Although this article uses more terms such as 1, inlet seat; 2, positioning cone head; 21, first hollow; 22, second clamping part; 3, positioning ring block; 31, first clamping part; 4, round block; 5, positioning column; 6, limiting ring block; 7, inner cavity; 71, second hollow; 8, top; 81, built-in hole; 9, connecting seat; 91, second through hole; 10, connecting flange; 11, outlet seat; 12, feed cavity; 13, first through hole; 14, step part; 15, middle cone; 16, middle cavity; 17, guide rod; 18, discharge cavity, etc., it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the utility model. It is contrary to the spirit of the utility model to interpret them as any additional restrictions.

Claims

1. A UPVC drainage pipe extrusion die, comprising an inlet seat (1), Features: A positioning ring block (3) is provided above the inlet seat (1), and a positioning cone head (2) is provided inside the inlet seat (1) and the positioning ring block (3), a connecting seat (9) is provided above the positioning ring block (3), a connecting flange (10) is provided above the connecting seat (9), and the connecting flange (10) is sleeved outside the outlet seat (11), and a top portion (8) and an inner cavity (7) are provided inside the outlet seat (11) and the connecting seat (9), respectively, and a middle cone portion (15) is provided between the inner cavity (7) and the top portion (8). ), the top (8) and the inner cavity (7) are installed with a circular block (4), a positioning column (5) and a limiting ring block (6), and a guide rod (17) is inserted into the positioning column (5), the limiting ring block (6) and the circular block (4), one end of the guide rod (17) passes through the top (8) and the outlet seat (11), the positioning column (5) is placed inside the middle cone (15), the circular block (4) is placed inside the upper part of the inner cavity (7), and the bottom of the inner cavity (7) is clamped in the middle part above the positioning ring block (3).

2. The UPVC drainage pipe extrusion die according to claim 1, Features: A positioning ring block (3) is fixedly connected to the top of the inlet seat (1), and the positioning ring block (3) has the same diameter as the outer ring on the top of the inlet seat (1). A feed cavity (12) is provided in both the inlet seat (1) and the positioning ring block (3). A first clamping portion (31) is provided at the bottom of the positioning ring block (3), and the first clamping portion (31) is placed in the feed cavity (12). A material channel is provided around the first clamping portion (31).

3. The UPVC drainage pipe extrusion die according to claim 2, Features: A second clamping portion (22) is provided above the positioning cone head (2), and the second clamping portion (22) is clamped in the first clamping portion (31) and fixedly connected, and the top of the positioning cone head (2) is tightly fitted with the bottom of the positioning ring block (3), and the bottom of the positioning cone head (2) is placed in the middle of the inlet seat (1), and the bottom of the tip of the positioning cone head (2) is flush with the bottom of the feed chamber (12).

4. The UPVC drainage pipe extrusion die according to claim 3, Features: The top of the positioning ring block (3) is fixedly connected to the bottom of the connecting seat (9), and the outer ring of the bottom of the connecting seat (9) has the same diameter as the outer ring of the positioning ring block (3). The connecting seat (9) is provided with a second through hole (91). The bottom of the outlet seat (11) is provided with a step portion (14), and the step portion (14) is clamped in the upper part of the second through hole (91), and the upper plane of the step portion (14) is flush with the upper plane of the connecting seat (9).

5. The UPVC drainage pipe extrusion die according to claim 4, Features: The upper plane of the step portion (14) is tightly fitted with the inner circle of the bottom of the connecting flange (10), the outer circle of the bottom of the connecting flange (10) is fixedly connected to the upper plane of the connecting seat (9), and a first through hole (13) is opened in the outlet seat (11), and the first through hole (13) is connected to the second through hole (91).

6. The UPVC drainage pipe extrusion die according to claim 5, Features: The inner cavity (7) is inserted into the second through hole (91), and the middle cone (15) is fixedly connected to the top of the inner cavity (7), and the middle cone (15) is fixedly connected to the bottom of the top (8), and a discharge cavity (18) is formed between the outer ring wall of the top (8) and the inner wall of the first through hole (13), and the upper plane of the top (8) is flush with the upper plane of the outlet seat (11).

7. The UPVC drainage pipe extrusion die according to claim 6, Features: The bottom of the inner cavity (7) is inserted into and fixedly connected to the middle part of the upper part of the positioning ring block (3); the inner cavity (7) and the middle cone (15) are respectively provided with a second hollow space (71) and a middle cavity (16); the top (8) is provided with a built-in hole (81), and the built-in hole (81) is communicated with the second hollow space (71) and the middle cavity (16).

8. The UPVC drainage pipe extrusion die according to claim 7, Features: A fixedly connected circular block (4) is inserted into the upper part of the second hollow (71), the center of the circular block (4) is inserted into the lower part of the fixedly connected guide rod (17), and the bottom end of the guide rod (17) passes through the circular block (4); a first hollow (21) is opened in the positioning cone head (2), and the bottom end of the guide rod (17) is inserted into the upper part of the first hollow (21).

9. The UPVC drainage pipe extrusion die according to claim 8, Features: A fixedly connected positioning column (5) is disposed on the outer middle portion of the guide rod (17), and the positioning column (5) is inserted into the middle cavity (16).

10. The UPVC drainage pipe extrusion die according to claim 9, Features: A fixedly connected limiting ring block (6) is disposed on the outer surface of the guide rod (17), and the limiting ring block (6) is inserted into the built-in hole (81).

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